JPH0545208Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) The present invention is applicable to a pair of left and right backpack belts that are hung over the shoulders of backpacks, backpacks, agricultural equipment such as backpack-type insect protectors, backpack carriers for carrying luggage, etc. Relating to an emergency separation device.

(Prior Art) In general, the backpack belts 1 and 2 of a backpack are divided into left and right halves and fixed to the upper and lower parts of the bag as shown in FIG. They are interconnected with each other so that the length can be easily adjusted. When carrying heavy objects on one's back using a backpack or other carrying device, the belt must be firmly attached to the body, otherwise it will be unsafe and difficult to walk or ride a motorcycle, etc., as shown in Figure 1. A chest band 3 for tightening the left and right belts 1 and 2 is provided on the front of the chest via a detachable buckle 4, and a waist band 6 is attached to the left and right lower ends of the bag body 5 via a detachable buckle 7. There is. As illustrated in FIG. 8, each of the buckles 4 and 7 has an insertion opening 8 formed on one side, a band hooking part 9 on the other side, and a locking part 10 formed by cutting out the middle upper and lower parts. A hollow buckle 11 is formed, an engagement hook part 12 is provided at one end of the buckle 11 on the upper and lower sides to be inserted into the buckle 11 through the insertion opening 8 and engaged with the locking part 10, and a band hook part 13 is provided at the other end. When the buckles 4 and 7 are in the engaged state, as shown in FIG. By pushing inward, the engagement between the locking portion 10 of the buckle 11 and the engaging hook portion 12 is released.

Incidentally, when a person wearing a backpack must urgently take off the backpack due to a fall or the like, the chest band 3 and waist band 6 can be separated from the buckles 4, 7 by pushing the engaging hooks 12 of the buckles 4, 7 in opposite directions up and down and pulling one or both of the bands 3, 6. However, since both belts 1, 2 are tightly fastened to the shoulders, and since the wearer will be in a hurry in an emergency, there is a problem that the belts 1, 2 cannot be easily and quickly removed from the shoulders.

Therefore, as a device that can be used as an emergency separation device that can easily remove the belt by dividing the middle part of the backpack belt, a belt hanging part is provided at the upper end, and a pair of hook parts are provided at the lower end. A buckle is provided with a belt hanging part at the lower end, an insertion hole through which the hook is inserted at the upper end, and an opening communicating with the insertion hole at the middle part, and the hook is locked in the opening. There was one consisting of an engagement support body provided with a locking part, and a pressing member housed in the engagement support body and provided with a protrusion that released the engagement of the hook part locked in the locking part. (For example, in 1987-
(Refer to Publication No. 72911).

Also, a buckle connected to one end of the belt,
A pusher-type buckle includes an engagement support that is connected to the other end and engages with the buckle, and a lock member that fixes the engagement between the buckle and the engagement support. There was a device equipped with a lock member sliding operation tool (for example, see Japanese Patent Application Laid-Open No. 54-25021).

(Problem to be solved by the invention) As an emergency separation device for a backpack belt, it is required to be compact so that it does not get in the way when worn on the shoulder. However, the problem with the former method described above is that when the emergency separation device is made smaller, the pressing part also inevitably becomes smaller, and in an emergency, a small pressing part must be found and pressed, making it difficult to separate easily. It was hot.

In addition, even if the pusher-type buckle is miniaturized, the latter device shown in the prior art is equipped with a band-shaped locking member sliding operation tool that can have a certain length, so a part of the pusher-type buckle is Although they can be easily separated by simply pulling on them, there is a risk that they will separate if the sliding operating tool is inadvertently pulled lightly.Moreover, pusher-type buckles generally have a complicated structure and are expensive. There was a problem.

Therefore, the present invention was developed in view of the above-mentioned circumstances, and its purpose is to ensure separation even when the emergency separation device is downsized, and to prevent careless separation. An object of the present invention is to provide an emergency separation device that has a simple structure and can be manufactured at low cost.

(Means for solving the problem) In the present invention, the following measures were taken to achieve the above object.

That is, the present invention provides a buckle which is provided on at least one of a pair of left and right backpack belts 1 and 2 provided in backpacks, backpacks, etc., and which is divided in the middle and connected to one end of the backpack. 17, an engagement support 18 that is connected to the other end and engages with the buckle 17, a lock member 19 that fixes the engagement between the buckle 17 and the engagement support 18, and a lock member 1.
In the emergency separation device, the buckle 17 has a substantially rectangular shape when viewed from the front, and a rectangular notch 21 is formed at the upper end. At the same time, narrow strip-shaped engagement protrusions 22 are formed that protrude forward in a bridging manner from the left and right sides of the notch 21, and a belt hanging part 23 is provided at the lower end. , has a substantially rectangular shape when viewed from the front, and has a belt passing hole 24 at its upper end, a belt hanging part 25 at the upper part of the hole 24, and the engaging protrusion 22 fits into its lower end. An engagement hole 26 is provided, and sliding guide grooves 27 for the lock member 19 are formed at both left and right ends, and two positioning grooves (upper and lower) are formed on the front surface of the engagement support 18 near the slide guide grooves 27. Locking protrusions 28 and 29 are provided in a protruding manner, and the locking member 19 has a substantially gate-like shape when viewed from the front, and has two hook portions 19A formed on the lower side.
The hook portion 19A is bent inwardly and has a locking portion 3 on the outside that engages with both left and right ends 22A of the engaging protrusion 22.
Further, an insertion hole 31 is provided at the center of the upper part of the lock member 19 so that the operating tool 2 can be inserted into the operating tool 2.
0 is inserted therethrough, and sliding guide portions 32 are formed at both left and right ends and are fitted into the guide groove 27, and on both left and right sides of the insertion hole 31 are provided with the positioning locking protrusions 28 and 29. Correspondingly, it is characterized in that the locking piece 33 is formed in a cut-and-raised shape so as to protrude to the back side and is bent upward.

(Function) According to the present invention, when separating the belt 1 in an emergency, by pulling the locking member sliding operating tool 20 in the unlocking direction, the hook portion 19A of the locking member 19 is bent and the buckle 17 is engaged. Joint protrusion 2
2, the engagement support 18 is pulled and comes out of the engagement protrusion 22, and the belt 1 is easily separated, allowing the belt 1 to be quickly removed from the shoulder. In addition, when restoring (connecting) the emergency separation 16 of the belt 1, the engagement hole 2 of the engagement support 18
By fitting the engagement protrusion 22 of the buckle 17 into the buckle 6 and pulling the locking member sliding operation tool 20 in the locking direction, the locking member 19 is fitted into the engagement protrusion 22 and locked, resulting in a locked state. . In this state, unless the operating tool 20 is pulled, the locked state will be maintained and it will not come off naturally and separate.

(Example) Hereinafter, an example of the present invention will be described based on the drawings.

FIG. 1 shows a conventional belt 1 equipped with an emergency separation device 16 according to the present invention, and the belts 1 and 2 have wide bands 1A and 2A that correspond to the shoulders, respectively, and a narrow band 1B below. 2B, both of which are connected by stitching, and the narrow bands 1B and 2B are divided and connected by an eye-shaped connector 15 so that the length can be easily adjusted. and,
The emergency separation device 16 is provided on the lower narrow band 1B of the belt 1 over the right shoulder, located above the connector 15, and includes a metal buckle 17 and an engagement support 18, A lock member 19 made of resin and a lock member sliding operation tool 20 made of a cloth band.
It consists of.

As shown in FIGS. 2 to 4, the buckle 17 has a substantially rectangular shape when viewed from the front, and has a rectangular notch 21 formed at its upper end, and extends forward from the left and right sides of the notch 21 in a bridging manner. A strip-shaped engagement protrusion 22 protruding from the top is formed, and the hook part 19A of the locking member 19 is fitted between the notch 21 and the engagement protrusion 22, and a belt hook is provided on the back side of the lower end. Part 2
3 is provided.

As shown in FIGS. 2 to 5, the engagement support 18 has a substantially rectangular shape when viewed from the front, and is provided with a belt passage hole 24 at its upper end and a belt hook on the back side of the upper portion of the hole 24. An engagement hole 26 into which the engagement protrusion 22 fits is provided at the lower end, and sliding guide grooves 27 for the lock member 19 are formed at both left and right ends. Then, when the engagement support 18 is thinned downward from the upper edge of the engagement hole 26 and placed on the buckle 17, the hook portion 19A of the lock member 19 engages with the engagement protrusion 22. It is adapted to fit between the lower end 18A of the mating support 18. Furthermore, two upper and lower positioning locking protrusions 28 and 29 are protrudingly provided on the front surface of the engagement support 18 near the sliding guide groove 27.

As shown in FIGS. 6 and 7, the locking member 19 has a substantially gate-like shape when viewed from the front, and has two hook portions 19A formed at the bottom. As shown by the chain lines, both left and right ends 22 of the engaging protrusion 22 are bent inwardly and outwardly.
A locking portion 30 that engages with A is provided. The operating tool 2 is located at the center of the upper part of the lock member 19.
0 insertion hole 31 is provided, and sliding guide portions 32 are formed at both left and right ends and fitted into the guide groove 27, and the positioning locking protrusion 28 is provided on both left and right sides of the insertion hole 31. , 29, a locking piece 33 is formed in a cut-and-raised shape so as to protrude from the back side, and is bent upward.

In the above embodiment, FIG. 2 shows the emergency separation device 1.
6, the engagement protrusion 22 of the buckle 17 is fitted into the engagement hole 26 of the engagement support 18, and the lock member 19 is pulled downwardly by the operating tool 20. As a result, it moves downward, and the hook portion 19A is locked to both left and right ends 22A of the engaging protrusion 22, and the locking piece 33 of the locking member 19 is locked to the lower positioning locking projection 29, so that it can be moved both upward and downward. It is not moving and is in a locked state.

Therefore, when the person wearing the backpack belt removes the belts 1 and 2 in an emergency such as an accident, the lock member 19 is removed by pulling the lock member sliding operation tool 20 upward.
The hook portion 19A of the hook portion 19A is bent inwardly, and the locking portion 30 is disengaged from the end portion 22A of the engagement protrusion 22 and escapes from the engagement protrusion 22. At the same time, the engagement support 18 is pulled up and engaged. The engagement protrusion 22 of the buckle 17 escapes from the hole 26, the buckle 17 and the engagement support 18 are completely separated, and the belt 1 is separated and removed from the shoulder. When one belt 1 comes off, the arm can be pulled out from the other belt 2.

In the separated state of the engagement support 18, the locking member 19 is at its upper limit and the locking piece 3 is attached to the positioning locking protrusion 28, as shown in FIGS. 3 and 4.
3 is locked and does not descend, and the lock member 19 will not descend unless the lock member sliding operating tool 20 is pulled downward.

Note that the lock member sliding operation tool 20 is not limited to a cloth band, but may be a string or the like, and can also be formed integrally with the lock member 19.

Moreover, the emergency separation device 16 includes both left and right belts 1,
Of course, it may be provided in 2.

Naturally, the present invention is not limited to the above embodiments.

(Effects of the invention) According to the invention, even if the emergency separation device is miniaturized, it can be reliably caught without searching because it is equipped with the locking member sliding operation tool 20 in the form of a band or string. , In an emergency, etc., a simple one-touch operation of pulling the locking member 19 with its operating tool 20 instantly releases the engagement between the buckle 17 and the engagement support 18, separates the belt, and quickly removes it from the shoulder. It can be removed.

At this time, in order to bend the hook portion 19A and release the engagement between the left and right ends 22A of the engagement protrusion 22 and the locking portion 30, a certain amount of force is applied to the lock member 1.
If 9 is not pulled, the emergency separation device 16 will not separate.
It will not separate due to inadvertent light tension. Furthermore, when the locking member 19 is pulled upward, the locking piece 33 is attached to the upper positioning locking protrusion 28.
is locked and does not descend, and the locking member 19 does not descend and lock again due to the reaction force when it is pulled. Furthermore, the lower positioning locking protrusion 29 can prevent the locking member 19 from moving downward in the locked state, thereby positioning the locking member 19.

Furthermore, the structure of the engagement support 18 is extremely simple since the lock member 19 into which the lock member sliding operating tool 20 is inserted is simply fitted into the sliding guide groove 27. , the emergency separation device can be manufactured at low cost with almost no assembly required.

[Brief explanation of the drawing]

Figures 1 to 7 show examples of the present invention; Figure 1 is an overall front view of the present invention applied to a conventional belt; Figure 2 is an enlarged front view of the engaged state; 3 is an enlarged front view of the separated state, FIG. 4 is a sectional view taken along line A-A in FIG. 3, FIG. 5 is a front view of the engagement support, FIG. 6 is a front view of the locking member, and FIG. 6 is a sectional view taken along the line B-B in FIG. 6, and FIG. 8 is an exploded front view showing a conventional buckle. 1, 2...Belt, 16...Emergency separation device, 1
7...buckle, 18...engaging support, 19...
Lock member, 20...Lock member sliding operation tool, 2
2...Engagement protrusion, 26...Engagement hole.

Claims (1)

[Scope of Claim for Utility Model Registration] At least one of a pair of left and right backpack belts 1 and 2 provided on a backpack, backpack, etc. is provided, and the midway portion of the backpack belt is divided and connected to one end. a buckle 17 connected to the other end of the buckle 17;
an engagement support 18 that engages with the buckle 1;
In the emergency separation device, the buckle 17 is composed of a lock member 19 that fixes the engagement between the buckle 7 and the engagement support 18, and a band or string-like lock member sliding operation tool 20 that moves the lock member 19. , has a substantially rectangular shape when viewed from the front, and has a rectangular notch 21 formed at its upper end, and narrow strip-shaped engagement protrusions 22 that protrude forward in a bridging manner from the left and right sides of the notch 21; A belt hook 23 is provided at the lower end, and the engaging support 18 has a substantially rectangular shape when viewed from the front, and a belt passing hole 24 is provided at the upper end. A hooking portion 25 is provided, an engagement hole 26 into which the engagement protrusion 22 fits is provided at the lower end, and sliding guide grooves 27 for the locking member 19 are formed at both left and right ends. Two upper and lower positioning locking protrusions 28 and 29 are protruded from the front surface of the engagement support 18 near the sliding guide groove 27, and the locking member 19 has a substantially gate-like shape when viewed from the front, and has a lower part. Two hook portions 19A are formed in the
The hook portion 19A is bent inwardly and has a locking portion 3 on the outside that engages with both left and right ends 22A of the engaging protrusion 22.
Further, an insertion hole 31 is provided at the center of the upper part of the lock member 19 so that the operating tool 2 can be inserted into the operating tool 2.
0 is inserted therethrough, and sliding guide portions 32 are formed at both left and right ends and are fitted into the guide groove 27, and on both left and right sides of the insertion hole 31 are provided with the positioning locking protrusions 28 and 29. Correspondingly, there is provided an emergency separation device for a backpack belt, characterized in that the locking piece 33 is formed in a cut-and-raised shape so as to protrude from the back side and is bent upward.